<template>
    <div class="login_container">
        <div class="login_box">
            <!--头像区域-->
            <div class="avater_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!--登录表单区域-->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
                <!--用户名-->
                <el-form-item prop="username">
                    <el-input v-model.trim="loginForm.username" prefix-icon="el-icon-user-solid"></el-input>
                </el-form-item>
                <!--密码-->
                <el-form-item prop="password">
                    <el-input v-model.trim="loginForm.password" prefix-icon="el-icon-s-goods"
                              type="password"></el-input>
                </el-form-item>
                <!--按钮-->
                <el-form-item class="btn">
                    <el-button type="primary"  @click="submit('loginFormRef')">登录</el-button>
                    <el-button type="info" @click="reset('loginFormRef')">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
   import {initRoutes} from '../router/index'
   import request from "../utils/request";
    export default {
        name: "Login",
        data() {
            return {
                loginForm: {
                    username: 'admin',
                    password: '123456'
                },
                // 表单的验证规则
                loginFormRules: {
                    username: [{required: true, message: '请输入登录名称', trigger: 'blur'},
                        {min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur'}],
                    password: [{required: true, message: '请输入登录密码', trigger: 'blur'},
                        {min: 6, max: 10, message: '长度在 6 到 10 个字符', trigger: 'blur'}]
                }
            }
        },
        methods: {
            submit(name){
                this.$refs[name].validate((valid)=>{
                    if (valid){
                        request({
                            url:'/login',
                            method:'post',
                            data:this.loginForm
                        }).then(res=>{
                            if (res.meta.code===200){
                                localStorage.setItem('userToken',res.meta.token)
                                request({
                                    url:'/admin',
                                    methods:'get',
                                    data:this.loginForm.username
                                }).then(res=>{
                                    if (res.meta.code===200){
                                        this.$message.success('登录成功')
                                        localStorage.setItem('user',JSON.stringify(res))
                                        this.$store.commit("user/setUser", res);
                                        // 动态路由
                                        initRoutes()
                                        this.$router.push('/')
                                    }
                                })
                            }else {
                                this.$message.error('登录失败')
                            }
                        })
                    }else {
                        this.$message.error('表单验证失败')
                    }
                })
            },
            reset(name){
                this.$refs[name].resetFields();
            }
        }

    };
</script>
<style scoped>
    .login_container {
        height: 100%;
        background-color: #2b4b6b;

    }

    .login_box {
        width: 450px;
        height: 300px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .avater_box {
        height: 130px;
        width: 130px;
        border: 1px solid #fff;
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 10px #eee;
        position: absolute;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fff;
    }

    img {
        height: 100%;
        width: 100%;
        border-radius: 50%;
        background-color: #eee;
    }

    .btn {
        display: flex;
        justify-content: flex-end;
    }

    .login_form {
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 0 20px;
        box-sizing: border-box;
    }
</style>